Ron White didn't sign on full time due to he didn't want to be on a TV series and in his words "be lazy since they weren't touring with Blue Collar Comedy Tour anymore"
Ashley Drane was a series regular from the beginning of TV series. She would go on in show business to become Ashley Eckstein from Star Wars:Clone Wars animated series Ashoka Tano. Also she is creator of Her Universe that has clothes from Star Wars geared toward more women than men.